The term ‘Celts’ has been used for 2,500 years and has changed its meaning many times. Though a cultural construct, it continues to strike a chord both nationally and globally among the populations of Ireland, Scotland and Wales, and in their diaspora communities around the world.

Unsentimental, sparing and unspecific, the painter Patrick Pye has sought figurative images to represent symbolically “the archetypes of our humanity” depicted in an alternative universe where expiation has been achieved.

He was able to make the 1860 Adulteration of Food Act work to stem the addition of red lead, strychnine, sand, plaster of Paris and mercury to basic diets, to prevent narcotics and hallucinogenics being added to popular drinks, and polluted water and salt being added to milk. According to his own reckoning, no less than eight million pounds of contaminated food was detected, analysed and condemned during his time as public analyst.